What does a flower sound like? No, that's not a hard-hitting question from last night's debate but rather one of the synaesthetic stumpers posed by Swiss artist Roman Signer, whose archly poetic combo of a potted Kalanchoe, a record player, and an electric-blue oil drum hits the sweet spot on everything from old-fashioned beauty to conceptual tang. See Duchamp remixed in James Fuentes LLC's courtyard, on view through Sunday (weather permitting).